package com.custom.config;

import com.custom.executor.SqlCommandType;
import com.custom.pojo.Configuration;
import com.custom.pojo.MappedStatement;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import java.io.InputStream;
import java.util.List;

public class XMLMapperBuilder {
    private Configuration configuration;

    public XMLMapperBuilder(Configuration configuration){
        this.configuration=configuration;
    }

    public void parse(InputStream inputStream) throws DocumentException {

        Document document= new SAXReader().read(inputStream);
        Element rootElement=document.getRootElement();
        String namespace=rootElement.attributeValue("namespace");
        List<Element> list=rootElement.elements();
        for(Element element:list){
            SqlCommandType sqlCommandType = SqlCommandType.valueOf(element.getName().toUpperCase());
            String id=element.attributeValue("id");
            String resultType=element.attributeValue("resultType");
            String parameterType=element.attributeValue("parameterType");
            String sql=element.getTextTrim();
            MappedStatement mappedStatement=new MappedStatement();
            mappedStatement.setId(id);
            mappedStatement.setSqlCommandType(sqlCommandType);
            mappedStatement.setParameterType(parameterType);
            mappedStatement.setResultType(resultType);
            mappedStatement.setSql(sql);
            String key=namespace+"."+id;
            configuration.getMappedStatementMap().put(key,mappedStatement);
        }


    }

}
